Issue #103: allow Infinity and -Infinity to be parsed.

tests/test_parse.c

@@ -51,6 +51,34 @@ static void test_basic_parse()
 	printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj));
 	json_object_put(new_obj);
 
+	new_obj = json_tokener_parse("-NaN"); /* non-sensical, returns null */
+	printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj));
+	json_object_put(new_obj);
+
+	new_obj = json_tokener_parse("Inf"); /* must use full string, returns null */
+	printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj));
+	json_object_put(new_obj);
+
+	new_obj = json_tokener_parse("inf"); /* must use full string, returns null */
+	printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj));
+	json_object_put(new_obj);
+
+	new_obj = json_tokener_parse("Infinity");
+	printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj));
+	json_object_put(new_obj);
+
+	new_obj = json_tokener_parse("infinity");
+	printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj));
+	json_object_put(new_obj);
+
+	new_obj = json_tokener_parse("-Infinity");
+	printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj));
+	json_object_put(new_obj);
+
+	new_obj = json_tokener_parse("-infinity");
+	printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj));
+	json_object_put(new_obj);
+
 	new_obj = json_tokener_parse("True");
 	printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj));
 	json_object_put(new_obj);

tests/test_parse.expected

@@ -4,6 +4,13 @@ new_obj.to_string()="foo"
 new_obj.to_string()="ABC"
 new_obj.to_string()=null
 new_obj.to_string()=NaN
+new_obj.to_string()=null
+new_obj.to_string()=null
+new_obj.to_string()=null
+new_obj.to_string()=Infinity
+new_obj.to_string()=Infinity
+new_obj.to_string()=-Infinity
+new_obj.to_string()=-Infinity
 new_obj.to_string()=true
 new_obj.to_string()=12
 new_obj.to_string()=12.3